package com.toman.Util;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

/**
 * @Description: MD5 工具类
 * @Author:杨攀
 * @Since:2014年6月1日上午8:16:36
 */
public class MD5 {

    public static String getMD5(String content) {
        try {
            MessageDigest digest = MessageDigest.getInstance("MD5");
            digest.update(content.getBytes());
            return getHashString(digest);
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        }
        return null;
    }

    private static String getHashString(MessageDigest digest) {
        StringBuilder builder = new StringBuilder();
        for (byte b : digest.digest()) {
            builder.append(Integer.toHexString((b >> 4) & 0xf));
            builder.append(Integer.toHexString(b & 0xf));
        }
        return builder.toString();
    }
}
